Three columns using a shortcode (don't hate)

gistfile1.php

function otm_sc_column_wrap ( $atts = array(), $content ) {
	return '<div class="column-wrap">' . do_shortcode( $content ) . '</div>';
}

add_shortcode( 'column_wrap', 'otm_sc_column_wrap' );

function otm_sc_column_3 ( $atts = array(), $content ) {
	return '<div class="column-3">' . do_shortcode( $content ) . '</div>';
}

add_shortcode( 'column_3', 'otm_sc_column_3' );

/*

Add this to your content editor:

[column_wrap]
[3_column]
text in first column
[/3_column]
[3_column]
text in second column
[/3_column]
[3_column]
text in third column
[/3_column]
[/column_wrap]

*/